:root {
  color-scheme: light dark;
  font-size: 16px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}

body {
  margin: 0;
  padding: 16px;
  min-width: 240px;
  background-color: #0f1115;
  color: #f1f5f9;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero h1 {
  margin: 0 0 4px;
  font-size: 1.125rem;
}

.hero p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.4;
  color: #cbd5f5;
}

button {
  padding: 12px 16px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  color: #0f172a;
  background-color: #22c55e;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(34, 197, 94, 0.4);
}

button:active {
  transform: translateY(1px);
  box-shadow: none;
}

.status {
  margin: 12px 0 0;
  font-size: 0.9rem;
  line-height: 1.4;
  color: #34d399;
}

.status.error {
  color: #f87171;
}

